Synonyms:
c.i.solventbrown5 ; ci no 12020 ; 1-naphthalenol, 4-(1-naphthalenylazo)- ; c.i. 12020 ; 4-(1-naphthylazo)-1-naphthol ; 4-(1-naphthalenylazo)-1-naphthalenol ; solvent brown 5 ; solvent brown 5 (c.i. 12020) ; sudan brown ; 4-(1-naphtylazo)-1-naphthol